is used as a deterrent. and that's a safe, stable way to use nuclear weaponry. but for those countries -- north korea, also, under kim jong-il -- we have got to make sure that we're putting the economic sanctions on these countries and that we have friends and allies supporting us in this to make sure that leaders like kim jong-il and ahmadinejad are not allowed to acquire, to proliferate, or to use those nuclear weapons. it is that important. can we talk about afghanistan real quick, also, though? >> certainly. >> ok, i'd like to just really quickly mention there, too, that when you look back and you say that the bush administration's policy on afghanistan perhaps would be the same as mccain, and that's not accurate. the surge principles, not the exact strategy, but the surge principles that have worked in iraq need to be implemented in afghanistan, also. and that, perhaps, would be a difference with the bush administration. now, barack obama had said that all we're doing in afghanistan is air-raiding villages and killing civilians. and such a reckless, reckles